. >> happening today bart labour unions will hold a vote on whether to authorize a strike as the unions the transit agency failed to reach an agreement in ongoing negotiations over pay and benefits. union leaders filed a lawsuit against bart yesterday accusing the board directors of not negotiating in good faith. bart calls the lawsuit a smoke screen saying the unions are trying to cover up the fact they want a 23 percent pay increase. the transit information website has a new paining on the possible strike liftingness if transportation options including car pooling and bicycling to work the we will have the latest on the bart strike on twitter. >> happening now in sanford, florida, day two of opening statements in the george zimmerman murder trial. these are pictures inside the courtroom, with the prosecution reducing recordings of past 91 calls made by the former watch volunteer before the night george zimmerman killed travolta calling police 50 times over the eight year and police say the previous calls should not be add missile. >> new detail on former south africa president mandela

. >> happening today, bart labour unions are holding a vote on whether to authorize a strike. the vote comes as the unions and the transit agency failed to reach an agreement in negotiations over pay and benefits. the contracts between bart and the unions expires on sunday and if a new contract is not in place, a strike is possible. some commuters remain surprised to hear a strike could be on the horizon. >> that will be tough. >> what would you do? >>guest: i would stay home from work. i'm not sure. out of the city. >> if a strike happens, it will last a day. >> it will be me taking a cab. >> union leaders accuse bart of not negotiating in good faith. bart calls the lawsuit "a smokescreen" saying the unions are striking to cover up the demand if a 23 percent increase. >> the transit information website has a new page on the possible strike lifting information for transportation options including car pooling and bicycling to work the we will keep you updated with the possible on twitter@abcnews bay area. >> police in los angeles are certaining if a gunman who ambushed and shot

. >> happening today, bart's labour unions will hold a vote whether to authorize a strike as unions and the transit agency fail to reach any agreement. leaders filed a lawsuit against bart accusing the board of not negotiating in good faith. bart calls the lawsuit "a smokescreen," saying the unions are trying to cover up the fact they want a 33 percent pay raise. the transit information website has a new page on the possible bart strike with information for transportation options including. car pooling and biking to work. you can get the latest on twitter. >> the decision from the united states supreme court on the ban on same-sex marriage could come this morning or any day this week before the justices break to summer. the high court did not issue rulings on either proposition 8 or the federal defense of marriage act yesterday. the justices have six more rulings to hand down before they conclude their term by the end of the week. abc7 news reporter will have more next half hour. when the rulings come down we will have coverage on the air and online. look for breaking news on twitter, f

. >> in other news, happening today bart labour unions will hold a vote on whether to authorize a strikenions and the transit agency failed to reach an agreement in negotiations over pay and benefits. union leaders filed a lawsuit against bart yesterday accusing the tran it systems board of not negotiating in good faith. bart calls the lawsuit a smokescreen saying the unions are trying to cover up the fact they want 23 percent pay raise. >> the transit information website is already having a new page on the possible strike with information on transportation options including car pooling and biking to work. we will have the latest on twitter@abcnews. >> the decision from the united states supreme court on the ban on same-sex marriage could come this morning any day this week. they did not issue rulings on either proposition eight or the federal defense of marriage act yesterday. the justices have six more rulings to hand down before they conclude their term by the end of the week. abc7 news reporter will have more in the next half hour. >> when the rulings come down, abc7 news will have c

bart station with more what we can expect an accurate >> reporter: union rappers are using it this today to raise public awareness. you are encouraged to ride public transit. according to the five labourn operators and mechanics, workers are concerned about safety due to staffing cuts. and they also say their benefits and pay are not good enough. the union contract with bart expire at the end of this month. both sides hope to avoid a package of strike the negotiations are a standstill. it 2 state mediators are now involved in those negotiations to try and bring the resolution but as of now, the two sides are still far apart. >> then hired tom hawk who is known for invoking strikes and it appears that they're ready to push us out on strikes because from day one they have refused to bargain with us. we do have our feet planted firmly and we are positioned to do whatever we need to do. >> the sec is helping us with that right now where we could possibly charter buses. there are other options that reno was to see a strike and no certainly wants to see a strike with a.c. transit. we are hoping we can come to a sustainable contract that everyone can agree to. >> reporter: we don't know at t